My answer is yes for your each question. Well i think language doesn't matter because language is the way of communication so that we can understand each other.
Hmm, Language is a medium yes exactly this is what, my brother is trying to say but by yourself, you are not getting the point,
in local there are all well-educated still it's the local board and there is a possibility as your post is public means you haven't quoted a particular person so maybe many of them can't get what you have delivered. Main khud mix urdu english use karta as right now I am using. So try to write in Urdu.
If language really doesn't matter dear so I think we should never post local thread. We have a translation facility as well so why not try posting in French haha.
The main purpose you get my point like what i wanted to explain moreover i also can speak urdu, punjabi just lemme know in which language would you like to talk with me (hehe...!)
For the PM I can't suggest anything for the post in the thread I would suggest prefer Urdu.